{"id":1907901,"slug":"4c-28-07","name":"4C 28.07","domain":"deep-sky","class":"quasar","otype":"Bla","otype_label":"Blazar","ra":39.46835697995834,"dec":28.802497221833335,"coo_err_mas":0.0304947,"coo_bibcode":"2020A&A...644A.159C","plx_mas":null,"pmra":-0.069,"pmdec":0.007,"rv_kms":197586.47,"redshift":1.206,"dist_pc":null,"vmag":19.3,"bmag":null,"gmag":17.674582,"jmag":15.139,"kmag":13.327,"sp_type":null,"morph_type":null,"size_maj":1.05e-05,"size_min":5.3333333e-06,"size_angle":3.0,"nbref":663,"simbad_oid":1538016,"gaia_dr3":128214944269183232,"jpl_spkid":null,"ned_name":"ICRF J023752.4+284808","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-08-15T06:36:39.543873+00:00","views":17,"first_seen":"2026-08-14T16:50:33.190276+00:00","updated_at":"2026-08-16T03:44:01.231316+00:00","identifiers":["0FGL J0238.4+2855","1FGL J0237.9+2848","1FLE J0238+2900","1Jy 0234+28","1Jy 0234+285","1RXS J023753.2+284829","2E 0234.9+2835","2E 609","2FGL J0237.8+2846","2MASSI J0237524+284809","2MASS J02375240+2848089","3FGL J0237.9+2848","3FHL J0237.8+2847","4C 28.07","4FGL J0237.8+2848","87GB 023454.9+283514","9Y-MST J0237+2848","ATO J039.4683+28.8025","B2 0234+28","B2.2 0234+28","BWE 0234+2835","CGRaBS J0237+2848","CLASS J023752.4061+284808.992","CRATES J023752+284814","CRTS CSS111018 J023752+284809","CTD 20","FL8Y J0237.9+2848","Gaia DR1 128214944269183232","Gaia DR2 128214944269183232","Gaia DR3 128214944269183232","GB6 B0234+2835","GB6 J0237+2848","GLEAM J023752+284812","GRA B0232+28","[HB93] 0234+285","ICRF J023752.4+284808","IERS B0234+285","IVS B0234+285","JVAS B0234+285","JVAS J0237+2848","LEDA 2820023","MASIV J0237+2848","MASTER OT J023752.37+284808.1","[MGL2009] BZQ J0237+2848","MITG J023752+2848","[MML2015] 5BZQ J0237+2848","NEWPS5 J0237+2848","NVSS J023752+284809","OHIO D 258","[P82] 0234+285","PCCS1 030 G149.50-28.53","PCCS2 143 G149.46-28.52","QSO B0234+285","QSO J0237+2848","RFC J0237+2848","RGB J0237+288","RORF 0234+285","RX J0237.8+2848","S1 0234+28","[SRC2012b] J0237+2848","TGSSADR J023752.4+284810","TIC 22898548","TXS 0234+285","VLSS J0237.8+2848","VLSSr J023752.2+284809","VRO 28.02.05","VSOP J0237+2848","[VV2000] J023752.4+284810","[VV2003] J023752.4+284810","[VV2006] J023752.4+284810","[VV2010] J023752.4+284810","[VV96] J023752.4+284810","[VV98] J023752.4+284810","[VYP98] 0234+285","WB 0234+2835","[WCO2009] J023750+284749","WISEA J023752.40+284808.9","WISE J023752.39+284808.9","WMAP 93","WMAP J0237+2848","[WTW94] 0234+285"],"measurements":[{"parameter":"distance","value":1265.763,"value_text":null,"unit":"pc","err_plus":null,"err_minus":null,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"effective_temperature","value":5020.368,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"magnitude","value":17.674582,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"G","method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"magnitude","value":17.674582,"value_text":null,"unit":"mag","err_plus":0.027502,"err_minus":0.027502,"band":"G","method":"V","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"magnitude","value":19.3,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"V","method":"V","source":"simbad","reference":"2010ApJ...710..764K","ref_year":2010},{"parameter":"magnitude","value":16.99,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"R","method":"V","source":"simbad","reference":"2008ApJS..175...97H","ref_year":2008},{"parameter":"magnitude","value":14.263,"value_text":null,"unit":"mag","err_plus":0.035,"err_minus":0.035,"band":"H","method":null,"source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"magnitude","value":13.327,"value_text":null,"unit":"mag","err_plus":0.031,"err_minus":0.031,"band":"K","method":null,"source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"magnitude","value":15.139,"value_text":null,"unit":"mag","err_plus":0.035,"err_minus":0.035,"band":"J","method":null,"source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"metallicity","value":-3.6533,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"parallax","value":-0.05501237478260698,"value_text":null,"unit":"mas","err_plus":0.13213006,"err_minus":0.13213006,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"pm_dec","value":0.00740374341248491,"value_text":null,"unit":"mas/yr","err_plus":0.10022946,"err_minus":0.10022946,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"pm_dec","value":0.007,"value_text":null,"unit":"mas/yr","err_plus":0.1,"err_minus":0.1,"band":null,"method":"ICRS","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"pm_dec","value":-0.112,"value_text":null,"unit":"mas/yr","err_plus":0.219,"err_minus":0.219,"band":null,"method":"ICRS","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"pm_dec","value":-0.002,"value_text":null,"unit":"mas/yr","err_plus":0.002,"err_minus":0.002,"band":null,"method":"ICRS","source":"simbad","reference":"2017ApJS..233....3T","ref_year":2017},{"parameter":"pm_ra","value":-0.06891563714528437,"value_text":null,"unit":"mas/yr","err_plus":0.10513972,"err_minus":0.10513972,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"pm_ra","value":-0.069,"value_text":null,"unit":"mas/yr","err_plus":0.105,"err_minus":0.105,"band":null,"method":"ICRS","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"pm_ra","value":0.05,"value_text":null,"unit":"mas/yr","err_plus":0.329,"err_minus":0.329,"band":null,"method":"ICRS","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"pm_ra","value":0.005,"value_text":null,"unit":"mas/yr","err_plus":0.001,"err_minus":0.001,"band":null,"method":"ICRS","source":"simbad","reference":"2017ApJS..233....3T","ref_year":2017},{"parameter":"radial_velocity","value":1.206,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2012ApJ...748...49S","ref_year":2012},{"parameter":"radial_velocity","value":1.207,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2001AJ....121.2843B","ref_year":2001},{"parameter":"radial_velocity","value":1.207,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2000ApJS..131...95F","ref_year":2000},{"parameter":"radial_velocity","value":1.207,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"1999A&AS..139..545K","ref_year":1999},{"parameter":"radial_velocity","value":1.213,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"1995A&AS..109..147B","ref_year":1995},{"parameter":"radial_velocity","value":1.213,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"1989ApJS...69....1H","ref_year":1989},{"parameter":"redshift","value":1.206,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"ned","reference":"2025ApJ...994..156R","ref_year":2025},{"parameter":"ruwe","value":0.9858238,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"surface_gravity","value":4.8115,"value_text":null,"unit":"log(cm/s2)","err_plus":null,"err_minus":null,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=4C 28.07","fetched_at":"2026-08-15T06:33:37.380707+00:00"},{"source":"gaia-dr3","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-S?Gaia%20DR3%20128214944269183232","fetched_at":"2026-08-15T06:33:38.048453+00:00"},{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=ICRF J023752.4+284808","fetched_at":"2026-08-15T06:33:39.385819+00:00"}]}